It is never pleasing to listen to a noise from your car you don’t know where from. Thus what if you locate a serpentine belt noise that persists on your Opel Astra? It is very possible that this is a minor problem, but before being sure, it is better to carry out some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a document to support you locating and repairing it. First, we will look at the serpentine belt noises on your Opel Astra and then we will take a look at the origins of these noises.
I encounter noises from serpentine belt Opel Astra
The best strategy to control the condition of your belts is to listen to your car. Immediately after you find noises such as squealing or bells, you should take a closer look to examine their origin. The role of the serpentine belt or driving belt of your Opel Astra is to transfer the movement of the engine to the secondary parts that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore fundamental in the normal operation of your car. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine parts at variable speeds.
I listen to squealing noises on my serpentine belt Opel Astra
This sort of squealing belt noises on Opel Astra, which will often be acute, can mostly arise when the engine is cold, or when the acceleration increases in intensity. . This sort of sound must be heavy and it is often quite simple to link it with one of these belts. To examine, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being apparent, it should not be too complicated for you to spot a belt noise on your Opel Astra. The cause of this problem can be linked to the damper pulley, which functions as a damper to get rid of irregularities in the tension in the motor cycle and therefore in the energy transmission to the belt. This results in a loose belt that will jerk. However, you still have an opportunity that this phenomenon is annodine. As the serpentine belt of your Opel Astra is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Keep in mind to examine the condition of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.
I listen to loud serpentine or driving belt noises Opel Astra
Just like squealing, a driving belt noise on your Opel Astra that sounds like a loud grinding sound can say a lot about its condition. It is therefore important that you look further and find the cause for this sound that can signal the end of your belt’s life. Like squealing noise, it can be identified in most cases when cold . It generally means a worn pulley whose streaks no longer allow it to be driven correctly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this problem. Make sure you examine first the serpentine/driving belt which in most cases is the cause of this problem, otherwise it will be necessary to change the tensioner or pulley.
I listen to bearing noises on the serpentine belt of my Opel Astra
Finally, if in your case you recognize a bearing belt noise on Opel Astra, it is possible that it is linked to a serpentine belt that is too tight . Indeed, it is possible that its size may be smaller than prescribed and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The problem in this case is that the bearing bearings or the Damper pulley may fail . Remember, therefore, to stretch the belt to limit the risks or to change it if it is too short. If after checking all thoses alternatives, you still identify a belt noises, read our article about timing belt noises on Opel Astra which could maybe help you.
